A service that uses existing telephone lines to provide high-speed connections is called:
A)WWAN
B)3G/4G
C)Voiceband
D)DSL

Question

Quizplus · Accepted Answer

DSL (Digital Subscriber Line) uses existing telephone lines to provide high-speed internet connections. WWAN (Wireless Wide Area Network) and 3G/4G are wireless technologies, while the term 'Voiceband' usually refers to the frequency range used for voice communication on telephone networks.

A Service That Uses Existing Telephone Lines to Provide High-Speed